Changeset 23 for trunk/kernel/syscalls/sys_utls.c

Timestamp:

Jun 18, 2017, 10:06:41 PM (7 years ago)

Author:

alain

Message:

Introduce syscalls.

File:

• trunk/kernel/syscalls/sys_utls.c (modified) (2 diffs)

trunk/kernel/syscalls/sys_utls.c

@@ -2 +2 @@
  * kern/sys_utls.c - User Thread Local Storage
  * 
- * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless
- * Copyright (c) 2011,2012 UPMC Sorbonne Universites
+ * Author    Ghassan Almaless (2008,2009,2010,2011,2012)
+ *           Alain Greiner (2016,2017)
  *
- * This file is part of ALMOS-kernel.
+ * Copyright (c) UPMC Sorbonne Universites
  *
- * ALMOS-kernel is free software; you can redistribute it and/or modify it
+ * This file is part of ALMOS-MKH.
+ *
+ * ALMOS-MKH is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2.0 of the License.
  *
- * ALMOS-kernel is distributed in the hope that it will be useful, but
+ * ALMOS-MKH is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
@@ -17 +19 @@
  *
  * You should have received a copy of the GNU General Public License
- * along with ALMOS-kernel; if not, write to the Free Software Foundation,
+ * along with ALMOS-MKH; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <types.h>
+#include <hal_types.h>
 #include <errno.h>
 #include <thread.h>
-#include <kmem.h>
-#include <kmagics.h>
-#include <semaphore.h>
+#include <printk.h>
+#include <syscalls.h>
 
-#define UTLS_SET       1
-#define UTLS_GET       2
-#define UTLS_GET_ERRNO 3
-
-int sys_utls(uint_t operation, uint_t value)
+/////////////////////////////////
+int sys_utls( uint32_t operation,
+              uint32_t value )
 {
-        struct thread_s *this = current_thread;
+    thread_t * this = CURRENT_THREAD;
   
         switch(operation)
         {
-        case UTLS_SET:
-                this->info.usr_tls = value;
+            case UTLS_SET:
+                this->utls = value;
                 return 0;
 
-        case UTLS_GET:
-                return this->info.usr_tls;
+            case UTLS_GET:
+                return this->utls;
 
-        case UTLS_GET_ERRNO:
-                return this->info.errno;
+            case UTLS_GET_ERRNO:
+                return this->errno;
 
-        default:
-                this->info.errno = EINVAL;
+            default:
+        printk("\n[ERROR] in %s : illegal utls operation\n", __FUNCTION__ );
+                this->errno = EINVAL;
                 return -1;
         }
-}
+
+}  // end sys_utls()